sbit LCD_RS at Rb2_bit;
sbit LCD_EN at Rb3_bit;
sbit LCD_D4 at Rb4_bit;
sbit LCD_D5 at Rb5_bit;
sbit LCD_D6 at Rb6_bit;
sbit LCD_D7 at Rb7_bit;

sbit LCD_RS_Direction at TRISb2_bit;
sbit LCD_EN_Direction at TRISb3_bit;
sbit LCD_D4_Direction at TRISb4_bit;
sbit LCD_D5_Direction at TRISb5_bit;
sbit LCD_D6_Direction at TRISb6_bit;
sbit LCD_D7_Direction at TRISb7_bit;
unsigned long int x=0,y=0,zz=0;
char txt[8];
char j,i=0,k=1,l=1;
void display(int dd)
{
IntToStr(dd,txt);
for(j=0;j<8;j++){
                if(txt[j]!=' ')lcd_chr_cp(txt[j]);
                }
}
void main()
 {
 trisa=1;
 cmcon=7;lcd_init();lcd_cmd(_LCD_CURSOR_OFF);
while(1){
         if(porta.f0==1)
                          {x=0;i++;  while(porta.f0==1){
                                                    delay_ms(1);
                                                    x++;
                                                   }

                          lcd_chr(l,k,' ');display(x);
                          k=k+5;if(k>16){k=1;l++;}
                          if(l>3)l=1;
                           zz=zz+x+y;
                           if(i==12){lcd_chr(4,5,' ');display(zz);i=0;zz=0;delay_ms(1000);}
                           y=0;while(porta.f0==0){delay_ms(1);y++;if(y>1000){y=0;while(porta.f0==0){}
                                                                             Lcd_Cmd(_Lcd_Clear);
                                                                             }
                                                  }                        
                           }






         }

}